AHU Filters

Amruta Kshemkalyani

Sustainability Consultant

LEEDuser Basic Member

16 thumbs up

April 25, 2010

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Amruta Kshemkalyani

Sustainability Consultant

LEEDuser Basic Member

16 thumbs up

Sun, 04/25/2010 - 09:08

The previous question was a bit silly. We are thinking of using MERV 8 or equivalent filter as pre filter & EU7, bag filter during construction. & these filters to replace by EU4, pre filter & MERV 13 bag filter, just before occupancy. Does it comply with IEQ c3.1?

Tristan Roberts

Representative

Vermont House of Representatives

LEEDuser Expert

7780 thumbs up

Thu, 04/29/2010 - 02:01

Amruta, the requirement is to have a MERV 8 filter at "each return air grille" during construction. Would you be meeting this requirement? I am not familiar with how EU7 compares with MERV 8.

Amruta Kshemkalyani

Sustainability Consultant

LEEDuser Basic Member

16 thumbs up

Thu, 04/29/2010 - 05:39

Thanks Tristan, So if we use MERV 8 filteration media at each return air grille; then we can use any type of filters (pre & bag in this case) at AHU? is it right? One more question, grades of EU also give same dust spot efficiency & arrestance% as MERV. So can we use EU filters instead of MERV? (As suppliers here, don't know much about MERVs) But then how to write it down in LEED submittal, there is no column for MERV equivalent?

Tristan Roberts

Representative

Vermont House of Representatives

LEEDuser Expert

7780 thumbs up

Thu, 04/29/2010 - 15:12

Amruta, the requirement is for MERV 8 filters at each return grille, so I don't see any issue with doing that, and then using any type of filter on the AHU.I believe that EU and MERV testing protocols are different, so you can't just substitute then for each other. I think it would take a bit more research to better understand this and to be able to justify that.